Starter motor with a pinion seal

Details Starter motor with a pinion seal Starter motor with a pinion seal

1989-07-27

1992-09-01

Braun, Leslie A.

Machine element or mechanism

Engine starters

74 7A, 192 45, 1231791, F02N 1506

Patent

active

051429233

ABSTRACT:
The space between a pinion and starter case in an electric starter is sealed by a flexible disk. This disk rotates on the pinion. The pinion contains a circular slot for the disk, which has a central cut-out portion in the profile of the pinion teeth, which hold the disk in place in the slot once the disk is installed. The disk is installed by lightly forcing it over the teeth on the pinion. This seal blocks path for particulate and contaminants into the interior of the starter through the space between the pinion and the starter case.

REFERENCES:
patent: 1486919 (1924-03-01), Quinlan
patent: 1759076 (1930-05-01), Whitnen
patent: 2287669 (1942-06-01), Buxton
patent: 2759364 (1956-08-01), Lewis
patent: 3090241 (1963-05-01), Mageoch et al.
patent: 3460655 (1967-07-01), Bowcott
patent: 4208922 (1980-06-01), Mortensen
patent: 4440033 (1984-04-01), Kurihara et al.
patent: 4718290 (1988-01-01), Murata et al.
patent: 4779470 (1988-10-01), Morita et al.

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